The Wiseco K598M9975AP Forged Piston Set is engineered for high-performance Subaru WRX/STI EJ257 applications. With a 99.75mm bore and -19cc dish, these pistons are perfect for turbocharged builds requiring strength, reliability, and precision.
Crafted from high-strength forged aluminum and treated with ArmorGlide® skirt coating, they reduce friction, improve wear resistance, and enhance performance under extreme boost and RPM conditions.
✅ Product Features:
Bore Size: 99.75mm
Compression Height: Designed for EJ257 turbo engines
Crown Volume: -19cc dish for optimal compression ratio in boosted setups
Forged from high-strength aluminum alloy for durability
ArmorGlide® skirt coating reduces friction and wear
Ideal for street, track, or rally performance applications
Includes pistons, rings, pins, and locks
🔧 Specifications:
Brand: Wiseco
Part Number: K598M9975AP
Bore Size: 99.75mm
Dish Volume: -19cc
Skirt Coating: ArmorGlide®
Engine Fitment: Subaru WRX/STI EJ257 2.5L Turbo (4-Valve)
Material: Forged Aluminum
Condition: Brand New
🔹 Suggested Item Specifics
Specific Value
Brand Wiseco
Manufacturer Part Number K598M9975AP
Type Forged Pistons
Bore Size 99.75mm
Dish Volume -19cc
Coating ArmorGlide® Skirt Coating
Engine Fitment Subaru EJ257 WRX/STI 2.5L Turbo
Material Forged Aluminum
Condition New
